On Thursday, Steve teased, “Friday on FnF, our dirtiest show EVER!” True to his word, he and his younger co-host Brian Kilmeade proved their Mudder mettle Friday while co-anchor Gretchen Carlson was not up for the muddy wet T shirt contest. After his brave run, Brian remarked, “Most nervous I ever was for a segment.” Subsequently, Steve somewhat more tentatively tackled the physical endurance test: Later, seemingly still winded, he Tweeted, “Brian & I survived the @toughmudder, thanks 2 the INSPIRING #woundedwarriors guys.”